Summary of National Invention Patents
| No. | Patent | Type of patent | Contry | Time | Application number | Patent No. Authorization time |
|---|---|---|---|---|---|---|
| 1 | A gaseous phase circulation method of thionyl chloride by sulfur dioxide gas phase synthesis | Patent for invention | China | 2008/1/30 | 2008100047820 | ZL200810004780.1 April 22, 2009 |
| 2 | Processing for transporting crude thionyl chloride from low pressure to high pressure by taking advantage of high difference | Patent for invention | China | 2008/1/18 | 2008100011960 | ZL200810004782.0 April 22, 2009 |
| 3 | Processing for synthesizing liquid phase circulation by sulfur dioxide gas phase | Patent for invention | China | 2008/1/30 | 2008100047801 | ZL200810001196.0 April 22, 2009 |
| 4 | Multistage fractionation process of high-purity thionyl chloride | Patent for invention | China | 2008/1/18 | 200810001195.6 | ZL200810001195.6 June 10, 2009 |
| 5 | Synthetic process of thionyl chloride by crude thionyl chloride | Patent for invention | China | 2008/1/30 | 200810004779.9 | ZL200810004779.9 September 29, 2009 |
| 6 | Production process of sodium sulfite using exhaust in thionyl chloride synthesis | Patent for invention | China | 2008/1/18 | 200810001198.X | ZL200810001198.X September 29, 2010 |
| 7 | A kind of pipeline reactor and synthetic process of hydrazine hydrate by pipeline reactor | Patent for invention | China | 2007/6/15 | 2007101111694 | ZL2007101111694 December 1, 2010 |
| 8 | Application of one-way gas conveyer device in circular manufacturing technique of thionyl chloride | Patent for invention | China | 2008/1/23 | 200810001199.4 | ZL200810001199.4 December 1, 2010 |
| 9 | Preparation process of exhaust in the synthesis process of thionyl chloride | Patent for invention | China | 2008/2/3 | 200810001197.5 | ZL200810001197.5 January 05, 2011 |
| 10 | Synthetic method of thionyl chloride by setting return pipe on both sides of pump | Patent for invention | China | 2008/2/3 | 200810004781.6 | ZL200810004781.6 March 30, 2011 |
| 11 | Condensation and cooling equipment for the synthesis of thionyl chloride | Patent for invention | China | 2008/1/23 | 200810001200.3 | ZL200810001200.3 May 30, 2012 |
| 12 | Process for decompression, exhaust, absorption and cyclic utilization in the production of thionyl chloride | Patent for invention | China | 2014/7/31 | 2014103713532 | ZL2014103713532 July 8, 2015 |
| 13 | A process to control material flow in the synthesis of thionyl chloride by DCS | Patent for invention | China | 2014/7/31 | 2014103709128 | ZL2014103709128 September 23, 2015 |
| 14 | A AC foaming agent vapor heat transfer type reactor | Patent for invention | China | 2014/8/18 | 2014104053046 | ZL2014104053046 July 8, 2015 |
| 15 | A closed compound filter tank for cleaning AC foaming agent | Patent for invention | China | 2014/11/19 | 201410661229.X | ZL201410661229.X January 13, 2016 |
| 16 | A reactor and process for producing ADC foaming agent | Patent for invention | China | 2014/11/19 | 201410661382.2 | ZL201410661382.2 October 05, 2016 |
